<ResponseField name="id" type="string" >
    The unique identifier of the backfill
</ResponseField>
<ResponseField name="state" type="string" >
    The current state of the backfill (active, completed, cancelled)
</ResponseField>
<ResponseField name="table" type="string" >
    The name of the table that was backfilled
</ResponseField>
<ResponseField name="inserted_at" type="string" >
    The timestamp when the backfill was created
</ResponseField>
<ResponseField name="sink_consumer" type="string" >
    The name of the sink consumer
</ResponseField>
<ResponseField name="updated_at" type="string" >
    The timestamp when the backfill was last updated
</ResponseField>
<ResponseField name="canceled_at" type="string" >
    The timestamp when the backfill was cancelled (null if not cancelled)
</ResponseField>
<ResponseField name="completed_at" type="string" >
    The timestamp when the backfill was completed (null if not completed)
</ResponseField>
<ResponseField name="rows_ingested_count" type="integer" >
    The number of rows ingested by the backfill
</ResponseField>
<ResponseField name="rows_initial_count" type="integer" >
    The initial number of rows to be processed
</ResponseField>
<ResponseField name="rows_processed_count" type="integer" >
    The number of rows processed by the backfill
</ResponseField>
<ResponseField name="sort_column" type="string" >
    The column used for sorting the backfill data
</ResponseField>